I would say because people separated from their kind and leading to speaking different. just like how people pick up accents when they go to the UK or other foreign countries.  
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The answer is who because is makes it makes the most sense
        
                    
             
        
        
        
Answer:
the prudent decision in the situation is that you are most likely to go to the party
Explanation:
even though you shouldn't. 
 
        
             
        
        
        
C) England is the best country in the world. 
Explanation:
It is their opinion. Other people from different places may or may not disagree but this statement is bias.